package com.itheima.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.itheima.domain.db.AnalysisByDay;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

public interface AnalysisByDayMapper extends BaseMapper<AnalysisByDay> {

    //累计用户数
    @Select("select sum(num_registered) from tb_analysis_by_day")
    Long findCumulativeUsers();

    //查询周期内活跃用户数
    @Select("SELECT SUM(num_active) FROM `tb_analysis_by_day` WHERE record_date BETWEEN #{begin} AND #{end}")
    Long findActivePassByTime(String begin, String end);
}